function getCurrentDate()
{
	var now = new Date();
	var year = now.getFullYear();
	var mon = now.getMonth();
	var day = now.getDate();
	var hour = now.getHours();
	var minutes = now.getMinutes();
	var sec = now.getSeconds();
	var timetext = "北京时间："+year+"年"+(mon+1)+"月"+day+"日";
	timetext += hour+":"+minutes+":"+sec;
	document.getElementById("date").innerHTML = timetext;
	t=setTimeout('getCurrentDate()',500)
}

